fix virtualenv.py
fix virtualenv.py

metagenomics/bioPipeline,metagenomics/MeRaGENE,metagenomics/MeRaGENE,metagenomics/bioPipeline,metagenomics/bioPipeline,metagenomics/bioPipeline,metagenomics/MeRaGENE,metagenomics/MeRaGENE